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Ablation of atrial fibrillation and esophageal injury: Effects of energy source and ablation technique  Heike Aupperle, DVM, Nicolas Doll, MD, PhD, Thomas.

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Presentation on theme: "Ablation of atrial fibrillation and esophageal injury: Effects of energy source and ablation technique  Heike Aupperle, DVM, Nicolas Doll, MD, PhD, Thomas."— Presentation transcript:

1 Ablation of atrial fibrillation and esophageal injury: Effects of energy source and ablation technique  Heike Aupperle, DVM, Nicolas Doll, MD, PhD, Thomas Walther, MD, PhD, Patrick Kornherr, MD, Cris Ullmann, Dipl Ing, Heinz-Adolf Schoon, DVM, PhD, Friedrich Wilhelm Mohr, MD, PhD  The Journal of Thoracic and Cardiovascular Surgery  Volume 130, Issue 6, Pages (December 2005) DOI: /j.jtcvs Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Magnetic resonance tomography of the thorax from a sheep to demonstrate the anatomic position of the heart and the pulmonary veins entering the left atrium (arrow) and the esophagus (dotted arrow). The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 Endocardial ablation lines. RAA, Right atrial appendage; RV, right ventricle; LV, left ventricle; SVC, superior vena cava; PV, pulmonary vein. Pacing leads are shown by arrows, and endocardial ablation lines are shown by continuous lines. (Schematic illustration modified from Nickel R, Schumacher A, Seiferle E. Lehrbuch der Anatomie der Haustiere. Vol. 3. 2nd ed. Berlin: Paul Parey; p. 63.) The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

4 Figure 3 Epicardial ablation lines. RAA, Right atrial appendage; RV, right ventricle; LAA, left atrial appendage; LV, left ventricle; SVC, superior vena cava; PV, pulmonary vein. Pacing leads are shown by arrows, and epicardial ablation lines are shown by continuous lines. (Schematic illustration modified from Nickel R, Schumacher A, Seiferle E. Lehrbuch der Anatomie der Haustiere. Vol. 3. 2nd ed. Berlin: Paul Parey; p. 63.) The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

5 Figure 4 Necrosis of the muscular layer of the esophagus induced by unipolar radiofrequency. The periesophageal connective tissue (p) is disrupted, and inner and outer muscular layers are destroyed (arrow). Myocytes show signs of coagulation necrosis (n); in the periphery of the lesion, the muscular layer is intact (i). The submucosal layer (sm) and the vessels (v) are also damaged (hematoxylin-eosin stain). The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

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